Patents by Inventor Allen C. Schmaltz

Allen C. Schmaltz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for recovering refrigerants from home refrigeration systems
    Patent number: 5392610
    Abstract: There is disclosed herein a refrigerant container in the form of a bag, or pouch, made from two sheets of multi-layer barrier film material which are heat sealed adjacent their edges to form a closed pouch which has an interior space. The bag may be connected to an access valve provided in a line of a sealed refrigeration system for capturing the refrigerant therefrom. The barrier film material is specially formulated to prevent outward permeation of a refrigerant and to prevent inward permeation of air. A valve system is provided for filling and emptying the bag.
    Type: Grant
    Filed: December 2, 1993
    Date of Patent: February 28, 1995
    Assignee: Whirlpool Corporation
    Inventors: John A. Nelson, David B. Kirby, Phalguni S. Roy, John L. Wuepper, Nihat O. Cur, Allen C. Schmaltz, John L. Deaner, Terry L. McGath
  • Method and apparatus for recovering refrigerants from home refrigeration systems
    Patent number: 5293756
    Abstract: There is disclosed herein a refrigerant container in the form of a bag, or pouch, made from two sheets of multi-layer barrier film material which are heat sealed adjacent their edges to form a closed pouch which has an interior space. The bag may be connected to an access valve provided in a line of a sealed refrigeration system for capturing the refrigerant therefrom. The barrier film material is specially formulated to prevent outward permeation of a refrigerant and to prevent inward permeation of air. A valve system is provided for filling and emptying the bag.
    Type: Grant
    Filed: February 26, 1991
    Date of Patent: March 15, 1994
    Assignee: Whirlpool Corporation
    Inventors: John A. Nelson, David B. Kirby, Phalguni S. Roy, John L. Wuepper, Nihat O. Cur, Allen C. Schmaltz, John L. Deaner, Terry L. McGath